Adding missing headerfiles

netwerk/protocol/http/public/Makefile.in

@@ -26,6 +26,10 @@ EXPORTS =                           \
         nsIHttpEventSink.h      \
         nsIHTTPConnection.h 	\
         nsIHTTPHandler.h 	\
+	nsHTTPEnums.h		\
+        nsIHTTPCommonHeaders.h 	\
+        nsIHTTPRequest.h 	\
+        nsIHTTPResponse.h 	\
         $(NULL)
 
 include $(DEPTH)/config/autoconf.mk